毛乌素沙地紫花苜蓿人工草地的水分运移与消耗研究

毛乌素沙地位于黄土高原中部,为典型的农牧交错区,由于长期的不合理利用,草地生态破坏严重。近年来,在国家不断加强生态保护建设力度的宏观形势下,形成以局部集约化饲草料种植保障大面积草原生态修复,以局部集约化饲草料生产保证畜牧业稳定发展的良好的生产经营形势,促进、保障这一发展形势对维护我国农牧交错带生态好转具有重要意义。紫花苜蓿素有“饲料之王”誉称,在我国有较大的种植面积,研究其多刈情况下的水分运移与消耗规律及消耗量,对实现干旱半干旱草原水资源优化配置与高效利用,发展节水草业生产十分必要。

Research on Water Consuming Process in Alfalfa in Maowusu Desert

Maowusu desert locates in the middle of loss plateau.It is a typical multiple region compose by farmer land and pastoral area.Due to long term of over development,the biosystem is severely devastated.In the recent year,central government has begun to strengthen preservation policy.And found the way to improve the bad condition through small scale of pasturage planting base building to prompt regional ecosystem to be restored.Alfalfa is usually called the king of pasturage.It is planted throughout China.It is necessary to do research on water consuming process under condition of mowing. The research would be helpful to water resources optimal management in arid and semiarid prairie,and would be helpful to develop water-economic pasturage produce.